#include<bits/stdc++.h>
using namespace std;
int n,r[100005];
int main(){
    freopen("duel.in","r",stdin);
    freopen("duel.out","w",stdout);
    cin>>n;
    for(int i=1;i<=n;i++){
        cin>>r[i];
    }
    sort(r+1,r+1+n);
    int s=n,o=1;
    for(int i=2;i<=n;i++){
        if(r[i]>r[o]){
            s--;
            o++;
        }
    }
    cout<<s;
    return 0;
}
